Income Taxes	6 Months Ended
Jun. 30, 2013
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company’s Provision for Income Taxes was $17,066 and $24,388 for the three and six months ended June 30, 2013, respectively, and $9,773 and $5,135 for the three and six months ended June 30, 2012, respectively. The effective tax rate was 44% and 45% for the three and six months ended June 30, 2013, respectively, and 45% and 42% for the three and six months ended June 30, 2012, respectively. The effective tax rate for 2013 and 2012 reflects the effect of certain nondeductible expenses, including the vesting of LP Units, as well as the noncontrolling interest associated with LP Units and other adjustments. The Company reported an increase in deferred tax assets of $77 associated with changes in Unrealized Gain (Loss) on Marketable Securities and an increase of $1,152 associated with changes in Foreign Currency Translation Adjustment Gain (Loss), in Accumulated Other Comprehensive Income (Loss) for the six months ended June 30, 2013. As of June 30, 2013, the Company had unrecognized tax benefits of $526, $474 of which, if recognized, would affect the effective tax rate. The Company does not anticipate a significant change in unrecognized tax positions as a result of the settlement of income tax audits for examining the Company’s income tax returns during the upcoming year. The Company classifies interest relating to tax matters and tax penalties as a component of income tax expense in its Unaudited Condensed Consolidated Statements of Operations. Related to the unrecognized tax benefits, the Company recognized approximately $17 and $115 of interest and penalties during the three and six months ended June 30, 2013, respectively. The Company has approximately $132 accrued for the payment of interest and penalties as of June 30, 2013. The Company consolidated Pan on March 15, 2013. Pan contributed an additional $1,360 in deferred tax assets to the Unaudited Condensed Consolidated Statement of Financial Condition as of June 30, 2013, with a 100% valuation allowance against these deferred tax assets. See Note 8 for further information.

Income Taxes

6 Months Ended

Jun. 30, 2013

The Company’s Provision for Income Taxes was $17,066 and $24,388 for the three and six months ended June 30, 2013, respectively, and $9,773 and $5,135 for the three and six months ended June 30, 2012, respectively. The effective tax rate was 44% and 45% for the three and six months ended June 30, 2013, respectively, and 45% and 42% for the three and six months ended June 30, 2012, respectively. The effective tax rate for 2013 and 2012 reflects the effect of certain nondeductible expenses, including the vesting of LP Units, as well as the noncontrolling interest associated with LP Units and other adjustments.

The Company reported an increase in deferred tax assets of $77 associated with changes in Unrealized Gain (Loss) on Marketable Securities and an increase of $1,152 associated with changes in Foreign Currency Translation Adjustment Gain (Loss), in Accumulated Other Comprehensive Income (Loss) for the six months ended June 30, 2013.

As of June 30, 2013, the Company had unrecognized tax benefits of $526, $474 of which, if recognized, would affect the effective tax rate. The Company does not anticipate a significant change in unrecognized tax positions as a result of the settlement of income tax audits for examining the Company’s income tax returns during the upcoming year.

The Company classifies interest relating to tax matters and tax penalties as a component of income tax expense in its Unaudited Condensed Consolidated Statements of Operations. Related to the unrecognized tax benefits, the Company recognized approximately $17 and $115 of interest and penalties during the three and six months ended June 30, 2013, respectively. The Company has approximately $132 accrued for the payment of interest and penalties as of June 30, 2013.

The Company consolidated Pan on March 15, 2013. Pan contributed an additional $1,360 in deferred tax assets to the Unaudited Condensed Consolidated Statement of Financial Condition as of June 30, 2013, with a 100% valuation allowance against these deferred tax assets. See Note 8 for further information.